<?php
/**
 * Created by PhpStorm.
 * User: zhangrongxiang
 * Date: 2017/6/22
 * Time: 下午9:38
 */

//* Get the filesystem directory path (with trailing slash) for the plugin __FILE__ passed in.
function plugin_dir_path( $file ) {}



//* Determines whether a PHP ini value is changeable at runtime.
function wp_is_ini_value_changeable( $setting ) {}


//* Converts a shorthand byte value to an integer byte value.
function wp_convert_hr_to_bytes( $value ) {}


//* Retrieve an option value for the current network based on name of option.
function get_site_option( $option, $default = false, $deprecated = true ) {}

//* Retrieve current theme directory.
//  /Users/zhangrongxiang/PhpstormProjects/production/WordPress/wp-content/themes/twentyeleven
function get_template_directory() {}


//* Retrieve stylesheet directory path for current theme.
function get_stylesheet_directory(){}

//* Add a new option.
function add_option( $option, $value = '', $deprecated = '', $autoload = 'yes' ) {}

//* Retrieves an option value based on an option name.
function get_option( $option, $default = false ) {}

//* Update the value of an option that was already added.
function update_option( $option, $value, $autoload = null ) {}





